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Life Sciences

Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.

447,757 articles | 2542 topics

Health and Medicine

Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.

431,843 articles | 751 topics

Social Sciences

Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.

260,756 articles | 745 topics

Physical Sciences

Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.

257,913 articles | 1552 topics

Applied Sciences and Engineering

Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.

225,386 articles | 998 topics

Scientific Community

Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.

193,043 articles | 157 topics

Space Sciences

Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.

29,662 articles | 175 topics

Research Methods

Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.

21,889 articles | 139 topics

Mathematics

Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.

3,023 articles | 113 topics

Triptolide: A potential drug for polycystic kidney disease

Researchers at Yale University have identified triptolide, a compound from Traditional Chinese Medicines, as a potential drug for treating polycystic kidney disease. The study shows that triptolide causes cell growth arrest and reduces cyst formation in mouse models of the disease.

Emory algorithm improves kidney transplant chances for sensitized patients

Researchers at Emory University have developed an algorithm that can predict which sensitized patients on the national waiting list for kidney transplants are compatible with a given donor. This new method, based on innovative technology, has increased transplant rates from 15% to 25% in highly sensitized patients.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Drug prescribed for migraines and seizures increases risk of kidney stones

Researchers at UT Southwestern Medical Center found that long-term use of topiramate can increase the propensity of calcium phosphate kidney stones due to metabolic acidosis and changes in urine pH and citrate levels. The study suggests a need for further research on optimal measures to prevent kidney-stone formation with topiramate use.

Kidney damage after heart surgery on the rise

A new analysis of over 5 million hospital discharges found a significant increase in kidney damage after coronary artery bypass surgery, but a decrease in mortality rate. The study suggests that current prevention strategies may not be effective and more research is needed to identify susceptible patients and effective treatments.

Key gene controlling kidney development found

St. Jude researchers discover that the Six2 gene prevents kidney stem cells from differentiating, maintaining a source of undifferentiated stem cells needed for kidney growth. The absence of Six2 leads to smaller, non-functional kidneys in developing mice.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Katie Lee Joel joins Kidney Friendly Comfort Foods program

Katie Lee Joel joins forces with experts to promote low-phosphorus cooking, sharing six new recipes to honor her grandfather's memory and help patients manage chronic kidney disease. The Kidney Friendly Comfort Foods program aims to show that kidney-friendly foods don't have to be boring.

Orange juice is better than lemonade at keeping kidney stones away

A daily glass of orange juice can boost citrate levels in the urine and reduce crystallization of uric acid and calcium oxalate, two common ingredients in kidney stones. In contrast, lemonade did not increase citrate levels, suggesting that its constituents counteract the beneficial effects of high citrate content.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Alternative kidney test reveals hidden health risks

A new kidney test, cystatin C, has been found to accurately predict higher risk of chronic kidney disease, cardiovascular disease, and death among elderly people. The study, published in Annals of Internal Medicine, suggests that a normal creatinine level should not reassure patients of normal kidney function.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Gene discovery may shed light on kidney disease

Researchers at The Children's Hospital of Philadelphia identified a second gene linked to Alagille syndrome, a genetic developmental disease affecting multiple organs. Mutations in the NOTCH2 gene were found to cause kidney abnormalities in patients and families.

Tip sheet Annals of Internal Medicine, August 1, 2006

A study compares kidney transplant outcomes in the US and Spain, finding similar one-year and five-year graft survival rates for heart-beating and non-heart-beating donors. Living kidney donors also experience higher blood pressure years after donation, highlighting implications for informed consent and follow-up care.

'Domino' transplant program makes best use of altruistic donated kidneys

A 'domino' transplant program can effectively double the benefit of altruistically donated kidneys by serving multiple recipients, according to researchers at Johns Hopkins Medicine. The domino-donation model has been shown to increase the likelihood of good outcomes for patients and prioritize those in greatest need.

New strategy could increase number of kidney transplant matches

A new strategy called domino paired donation can match kidneys from living non-directed donors to recipients who have a willing but incompatible donor. This approach has the potential to increase both quantitative and qualitative benefit of each LND donation, leading to more transplants accomplished.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Kidney donors pay the price

A study by the University of Alberta and other institutions found that living kidney donors incur various costs, including travel and accommodation expenses, lost income, and physical limitations after surgery. These costs can range from $837 to $28,900 per donor and may lead to financial burdens and disincentives for potential donors.

HO-1 in sickle cell disease: friend or foe?

Researchers found that inhibiting the enzyme activity of HO-1, a protein thought to be protective, actually reduces kidney injury in sickle cell disease. A new compound, tin protoporphyrin, blocks HO-1 activity and protects SCD kidneys from damage.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

U of M study examines kidney stone prevention in astronauts

A University of Minnesota study found that exercise in a machine simulating gravity can reduce the risk of developing kidney stones in astronauts. Researchers used identical twins to test the effect of exercise on urinary calcium levels, and the results suggest a potential solution for preventing this painful condition.

Organ transplants just as successful in those with mental retardation

A study published in Pediatric Transplantation found that individuals with mental retardation have a 100% one-year survival rate and 90% three-year survivor rate after receiving kidney transplants. The research alleviates concerns about transplant success in this population, showing they are appropriate candidates for organ transplants.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Innovations needed to monitor kidney health

A European-funded project aims to create a predictive diagnostic test for early detection of kidney loss and target effective therapies. Researchers will utilize nanobead technology and multiplexing platform to identify biomarkers in diabetic urine, enabling early identification of patients at risk.

Simple formula predicts blood needs in heart surgery

Researchers at Duke University Medical Center developed a new formula to predict blood needs in heart surgery, focusing on patient age, weight, and kidney function. The simplified scoring system identifies risk factors for transfusion, aiming to reduce hospital resources and staff time.

MRI accurate and safe for diagnosing ureteral reflux

A new study finds that MRI cystography is an accurate and safe alternative to conventional X-ray cystography for diagnosing ureteral reflux. The researchers discovered that MRI can detect scarring of the kidneys and loss of kidney tissue, related to the extent of kidney damage from VUR, better than conventional X-ray cystography.

Image-guided biopsy can help patients avoid unnecessary kidney removal

The study found that more than 60% of patients experienced a change in their treatment plan due to biopsy results, while as many as 75 unnecessary kidney removals were potentially avoided. The image-guided biopsy technique showed higher success rates compared to old techniques, allowing for better tissue sampling and accurate diagnosis.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Scientists solve 30-year-old mystery of mutant mouse's kidney woes

Researchers discovered a single base pair change in the aquaporin-2 protein gene, leading to improper distribution and resulting in up to 30 times more urine being produced. This study provides new insights into congenital progressive hydronephrosis, a condition that can lead to kidney failure and death if left untreated.

Image guided biopsy may help patients avoid kidney removal

A new study suggests that renal biopsy can help patients avoid kidney removal by identifying benign tumors that don't require surgery. The procedure is safe and effective, with only minor complications reported in the 407 biopsies performed.

Freezing kidney tumors is a safe alternative to surgery

Researchers found that freezing kidney tumors using percutaneous cryoablation destroyed 95% of tumors in short-term follow-up. The treatment is performed through small skin nicks and can be done under general anesthesia, offering a less invasive alternative to traditional surgery.

Predicting outcomes for kidney transplant patients

A new diagnostic test using NGAL protein has been shown to predict kidney transplant outcomes, with lower values indicating faster recovery and higher values indicating longer recovery periods. This breakthrough could lead to improved patient care and reduced risk of kidney failure.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Type 2 diabetics' acidity heightens risk for kidney stones

Individuals with type 2 diabetes have a heightened risk of developing uric-acid stones, likely due to their highly acidic urine. The study suggests that factors associated with type 2 diabetes or insulin resistance account for the increased acidity.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Kidney cancer patients may be overtreated, U-M study finds

A majority of patients with small kidney tumors have their entire kidney removed, despite the availability of organ-sparing surgery. Studies show that partial nephrectomy is just as effective in controlling cancer while preserving long-term kidney function. However, its infrequent use may be due to surgeon expertise and hospital policies.

JCI table of contents, February 9, 2006

Researchers discovered that elastin fragments in mice lungs trigger emphysema. Additionally, a study found that pericyte dysfunction allows tumors to spread by forming leaky blood vessels. Another study identified female mice lacking IBP protein, which makes their T cells resistant to death and contributes to lupus-like disease.